Vented beverage container lid

Details Vented beverage container lid Vented beverage container lid

1995-06-22

1997-04-01

Huson, Gregory L.

Dispensing

With plural openings or discharge guides

Having flow controllers or closures

222494, 222531, B67D 300

Patent

active

056158092

ABSTRACT:
A valve (18) is disclosed for venting a liquid dispensing container. The valve comprises a valve body upper end (76), an intermediate portion (78) adapted to mount through a sidewall aperture, and a semi-spherical lower end portion (80). An air passageway (96) extends into the valve upper end (76), and through the portion (78) to the lower portion (80). A slit opening (94) extends through the lower portion (80) and communicates with the passageway (96). The slit widens to equalize pressure in the container, and annular shoulder surfaces (92) and internal surfaces (62) of the container sidewall are compressed together. When equalization in pressure has been achieved, the lower valve portion (8) decompresses and resumes its normal configuration whereby causing the slit (94) to close. Surfaces (92, 62) have a complimentary downward angle to facilitate the return of the lower portion (80) into its semi-spherical shape. A closure member (74) acts to cover the air passageway (96) in a storage configuration, whereby providing a redundant seal and preventing the escape of liquid upwardly through the valve (18). In an upright condition, a second valve component the closure member (74) opens an extraction passageway (46) through which liquid may be extracted.

REFERENCES:
patent: 5477994 (1995-12-01), Feer et al.

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